In terms of getting a job it's rare that will come into play. Most fields requiring a degree often ask for a masters or advanced degree. Both will show he likes numbers and business. Econ at BYU is much more math oriented---and will require understanding calculus to some extent.
Likely cuter girls in the business department. Econ attracts more of the kids who thought engineering was a good idea---but didn't like the 140 hours it would require to graduate.